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From: Jerry Van Baren <gerald.vanbaren@ge.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Fw: TFTP fails when using network switch
Date: Wed, 21 Jan 2009 07:23:53 -0500	[thread overview]
Message-ID: <497713D9.7080705@ge.com> (raw)
In-Reply-To: <20090120171443.2c55ee6b@uncle-pecos.Colorado.EDU>

Loren A. Linden Levy wrote:
> Hi Jerry,
> 
> Your gonna love this. I was setting the hardware MAC address to be
> FF:FF:FF:FF:FF:FF. When i changed this everything magically started
> working. I guess this MAC has some meaning like the device is a
> router. Anyway, i learned a lot while trying to figure this
> out. Thanks again!
> 
> Alex

That is a multicast (broadcast) address (the bit 0x01 in the first octet 
is set).  Very wrong, as you now know.
   <http://www.denx.de/wiki/view/DULG/EthernetDoesNotWork>
   <http://www.denx.de/wiki/DULG/WhereCanIGetAValidMACAddress>
More detailed explanation:
   <http://en.wikipedia.org/wiki/MAC_address>

Best regards,
gvb

  reply	other threads:[~2009-01-21 12:23 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-06  0:02 [U-Boot] Fw: TFTP fails when using network switch Loren A. Linden Levy
2009-01-06  7:41 ` Remy Bohmer
2009-01-06 22:52   ` Ulf Samuelsson
2009-01-06 23:00     ` Wolfgang Denk
2009-01-07 12:52       ` Jerry Van Baren
2009-01-07 14:03         ` Loren A. Linden Levy
2009-01-07 15:57           ` Swarthout Edward L
2009-01-07 18:02           ` Ben Warren
2009-01-07 18:23           ` Jerry Van Baren
2009-01-07 19:36         ` Ulf Samuelsson
2009-01-07 19:58           ` Jerry Van Baren
2009-01-16  0:36             ` L. A. Linden Levy
2009-01-16 15:34               ` Jerry Van Baren
2009-01-20  0:00                 ` Loren A. Linden Levy
2009-01-20  1:14                   ` Jerry Van Baren
2009-01-20  2:39                     ` Loren A. Linden Levy
2009-01-20 16:55                     ` Loren A. Linden Levy
2009-01-20 17:13                       ` Jerry Van Baren
2009-01-21  0:14                         ` Loren A. Linden Levy
2009-01-21 12:23                           ` Jerry Van Baren [this message]
2009-01-06 12:45 ` Jerry Van Baren

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